MANUAL Location - Area: Lunigiana , magnitude (ML): 1.6
2026-05-13 14:20:08 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-05-14 07:28:25

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Earthquake info - Manual location
Event - ID :260513141944
Magnitude (ML) :1.6 +/- 0.2
Origin Time :2026-05-13 14:20:08.327 (UTC)
Location : Latitude: 44.295 N, Longitude: 9.987 E
Area :Lunigiana
Depth (km) :11.21
Distances (km) : 2.5 --- Bagnone
2.9 --- Villafranca in Lunigiana
5.2 --- Licciana Nardi
5.8 --- Filattiera
6.7 --- Tresana
8.1 --- Mulazzo
9.1 --- Aulla
10.3 --- Podenzana
11.2 --- Comano
12.4 --- Pontremoli
12.6 --- Fivizzano
13.4 --- Calice al Cornoviglio
13.9 --- Bolano
15.9 --- Santo Stefano di Magra
17.0 --- Monchio delle Corti
17.7 --- Follo
17.8 --- Fosdinovo
18.2 --- Casola in Lunigiana
18.9 --- Vezzano Ligure
18.9 --- Rocchetta di Vara

Quality location estimate: Erh: 0.6 km, Erz: 0.5 km, Nf: 40, Gap: 67 °, Rms: 0.19


Manual location results
Station Net P arrival time P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
BGNIT2026-05-13 14:20:10.1110.0200-0.580.382026-05-13 14:20:10.8710.0400-1.500.0011.9
AULIT2026-05-13 14:20:11.1850.02000.051.572026-05-13 14:20:12.1940.0400-0.960.0815.0
FIVIGU2026-05-13 14:20:11.6000.02000.031.692026-05-13 14:20:13.7750.0400-0.101.5617.2
EQUIGU2026-05-13 14:20:12.5700.0110-0.071.692026-05-13 14:20:15.6100.0651-0.141.3122.7
GRAMGU2026-05-13 14:20:13.4600.01100.400.512026-05-13 14:20:16.8190.08020.490.3125.7
CRRIT2026-05-13 14:20:13.4860.02000.011.752026-05-13 14:20:17.4060.04000.170.8927.2
PLMAIV2026-05-13 14:20:14.2300.01600.061.532026-05-13 14:20:17.9500.0872-0.580.3631.4
CARIT2026-05-13 14:20:14.5110.02000.400.512026-05-13 14:20:18.3370.0400-0.051.5632.0
VRLIT2026-05-13 14:20:14.3160.0200-0.121.442026-05-13 14:20:18.2960.0400-0.630.3532.4
VGLIT2026-05-13 14:20:14.9150.02000.360.532026-05-13 14:20:19.0110.0400-0.101.4133.8
BVTIT2026-05-13 14:20:14.9430.0200-0.011.742026-05-13 14:20:19.7970.04000.101.2434.7
VLCMN2026-05-13 14:20:15.1580.02000.051.562026-05-13 14:20:20.2600.11030.180.9737.1
SARMGU2026-05-13 14:20:15.2600.0180-0.161.152026-05-13 14:20:20.3700.1113-0.260.8237.3
MSSAIV2026-05-13 14:20:15.4500.0190-0.071.662026-05-13 14:20:20.1700.1153-0.800.2339.4
CMEIT2026-05-13 14:20:16.7760.0200-0.101.522026-05-13 14:20:22.6130.0400-0.500.4046.9
GSCLGU2026-05-13 14:20:17.9030.0200-0.101.482026-05-13 14:20:24.6600.1514-0.480.5049.6
CARDGU2026-05-13 14:20:17.3130.02000.031.562026-05-13 14:20:23.9110.24560.140.9350.9
MAIMGU2026-05-13 14:20:18.9800.03010.151.002026-05-13 14:20:26.1700.1765-0.310.7759.6
POPMGU2026-05-13 14:20:20.6640.02000.240.742026-05-13 14:20:29.5250.20560.300.7268.4
PIIIV2026-05-13 14:20:21.9100.0391-0.151.172026-05-13 14:20:31.4510.3207-0.680.4177.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BGN ITHG1.966.17e+011.97
AUL ITHN1.943.88e+015.0187
FIVI GUHN1.481.05e+017.2119
GRAM GUHH1.407.66e-125.716
CRR ITHN1.891.15e+027.2158
PLMA IVHH1.695.49e-131.4201
VRL ITHN1.131.45e-132.4291
VGL ITHG1.705.01e-133.8130
BVT ITHN1.513.01e-134.7323
SARM GUEH1.281.88e-137.3110
CME ITHN1.813.40e-146.9146
GSCL GUHH1.642.03e-149.682
CARD GUHH1.581.69e-150.9127
MAIM GUHH1.488.63e-259.6136
POPM GUHH1.299.54e-268.4114
PII IVHH1.323.78e-277.7146


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
IH 0*
(m)
IH 1*
(m)
IH 2*
(m)
Sa(T=0.10)
(g)
Sa(T=0.30)
(g)
Sa(T=1.00)
(g)
Sa(T=3.00)
(g)
Dist.
(km)
Azim.
(°)
BGN ITHGZ1.7687e-31.4032e-43.1228e-57.4571e-64.5995e-62.0568e-39.3932e-57.6784e-62.1295e-611.97
BGN ITHGN1.1159e-31.6209e-44.5806e-51.3424e-58.8620e-62.8529e-31.3016e-41.5184e-53.1553e-611.97
BGN ITHGE1.3657e-31.1669e-44.1679e-51.1880e-57.7245e-61.5619e-31.9670e-41.3165e-52.3896e-611.97
AUL ITHNZ2.3377e-42.3621e-51.4941e-55.2039e-62.4272e-62.2275e-49.3094e-53.0990e-65.0871e-715.0187
AUL ITHNN1.7114e-44.3080e-53.6527e-51.8758e-58.5111e-63.9296e-42.0882e-41.1164e-51.0718e-615.0187
AUL ITHNE2.8845e-44.4239e-52.6717e-57.9608e-63.7899e-63.6765e-41.8054e-45.9021e-61.0805e-615.0187
FIVI GUHNZ6.3501e-59.8136e-65.3345e-61.6506e-67.9567e-72.2824e-42.2849e-51.1989e-62.2156e-717.2119
FIVI GUHNN6.3152e-51.0824e-59.2845e-62.5431e-61.4021e-61.6479e-44.7643e-51.9734e-63.2137e-717.2119
FIVI GUHNE8.3485e-51.4308e-57.1928e-63.6022e-61.4718e-62.9035e-42.4889e-51.7454e-62.9307e-717.2119
EQUI GUHHZ2.8387e-53.0795e-61.4153e-65.3638e-72.3709e-75.2856e-55.2134e-63.9284e-77.2140e-822.7137
EQUI GUHHN4.1259e-54.8364e-61.7487e-66.6023e-72.9185e-75.7555e-56.8616e-64.6936e-79.2130e-822.7137
EQUI GUHHE3.7447e-54.1822e-61.1591e-63.6312e-71.6567e-76.3029e-54.7575e-63.3463e-78.6179e-822.7137
GRAM GUHHZ4.3412e-54.8512e-62.8239e-68.8895e-74.4337e-76.1571e-51.3603e-56.4456e-79.6320e-825.716
GRAM GUHHN5.6275e-59.6725e-66.6688e-62.5485e-69.0309e-71.8503e-43.5328e-51.3998e-62.1482e-725.716
GRAM GUHHE3.2146e-58.1626e-67.5525e-62.4726e-61.0948e-61.0331e-43.6415e-51.5353e-61.9919e-725.716
CRR ITHNZ7.7642e-51.3450e-57.7771e-62.1977e-61.1504e-62.6138e-42.6529e-51.7045e-63.1443e-727.2158
CRR ITHNN1.5791e-41.9945e-51.0127e-52.8698e-61.4486e-64.6391e-43.9955e-52.5257e-65.2435e-727.2158
CRR ITHNE1.1638e-42.0121e-51.0829e-52.4629e-61.5996e-64.2260e-42.9169e-52.8324e-65.1295e-727.2158
PLMA IVHHZ3.4734e-54.0523e-62.2013e-61.0226e-64.6133e-75.1469e-51.6139e-56.8350e-71.1147e-731.4201
PLMA IVHHN5.7251e-57.7706e-64.3369e-61.2165e-67.4145e-71.1562e-41.6880e-51.2024e-62.1964e-731.4201
PLMA IVHHE3.5523e-57.2443e-64.5639e-61.2218e-66.5579e-77.2705e-51.8806e-51.0359e-61.7784e-731.4201
CAR ITHNZ1.5164e-51.7234e-67.8927e-74.1775e-71.8798e-73.5854e-52.8016e-63.1177e-74.7523e-832.0260
CAR ITHNN2.5171e-53.2715e-61.3642e-66.0909e-73.1511e-75.0409e-54.9746e-65.2728e-78.3573e-832.0260
CAR ITHNE2.5944e-52.7860e-61.1811e-64.2470e-72.1748e-77.5721e-54.0955e-63.1014e-76.5203e-832.0260
VRL ITHNZ1.4396e-51.7739e-67.0704e-74.2159e-72.5722e-72.4421e-53.0304e-63.4822e-73.4188e-832.4291
VRL ITHNN1.8828e-51.8641e-69.5818e-73.4484e-71.8796e-72.4873e-54.5233e-62.6752e-74.2151e-832.4291
VRL ITHNE3.1469e-52.8356e-61.2517e-64.5397e-72.0162e-74.3797e-54.8849e-63.2862e-75.5946e-832.4291
VGL ITHGZ2.9286e-54.1388e-61.8784e-67.3261e-72.9529e-77.4255e-59.1637e-65.1625e-79.6145e-833.8130
VGL ITHGN3.0576e-56.0433e-64.8011e-61.6135e-67.1268e-71.1357e-41.7202e-51.2295e-61.7889e-733.8130
VGL ITHGE3.4091e-56.1548e-64.4948e-61.8899e-67.3387e-77.2790e-51.9510e-51.0521e-61.6913e-733.8130
BVT ITHNZ1.4435e-51.6552e-68.8129e-73.7682e-71.6349e-71.8781e-53.5327e-62.4213e-72.8912e-834.7323
BVT ITHNN1.7135e-54.4527e-62.7541e-67.8701e-74.0551e-75.0766e-51.0290e-55.5973e-71.1024e-734.7323
BVT ITHNE2.1899e-54.9737e-62.8420e-67.3562e-74.6417e-75.5514e-51.1164e-56.6325e-71.1524e-734.7323
VLC MNHHZ4.7450e-66.3420e-73.1790e-71.1122e-76.3352e-81.7117e-51.4889e-69.3563e-81.4284e-837.1115
VLC MNHHN6.6295e-61.0757e-64.4064e-71.5186e-77.5846e-81.7727e-51.4141e-61.2559e-72.5662e-837.1115
VLC MNHHE6.0959e-69.2660e-74.5108e-71.2324e-76.6885e-81.8544e-51.3625e-61.0108e-72.0117e-837.1115
SARM GUEHZ7.5217e-61.1538e-66.4879e-72.1671e-71.0776e-72.2255e-54.2658e-61.5755e-72.6640e-837.3110
SARM GUEHN1.1150e-52.8642e-61.5992e-64.9616e-72.5075e-72.5305e-57.9850e-63.9047e-76.3600e-837.3110
SARM GUEHE5.7883e-61.4290e-61.2193e-63.9613e-71.6573e-71.2859e-51.0109e-52.4134e-73.9960e-837.3110
MSSA IVHHZ3.6506e-64.9017e-72.3046e-71.0958e-76.6490e-89.7639e-68.1889e-78.9931e-81.0040e-839.4274
MSSA IVHHN5.1274e-66.4361e-74.2171e-72.4374e-71.1598e-71.4697e-51.2201e-61.7167e-71.9644e-839.4274
MSSA IVHHE4.3040e-67.3585e-74.1093e-71.7630e-77.4065e-81.1093e-51.5794e-68.7290e-81.5939e-839.4274
CME ITHNZ1.8107e-53.0955e-61.7723e-65.8154e-73.1987e-74.5433e-51.0090e-55.0190e-77.6020e-846.9146
CME ITHNN2.9015e-54.2670e-63.0646e-61.0385e-65.5855e-75.9962e-52.3486e-56.9316e-79.8778e-846.9146
CME ITHNE3.2569e-54.8056e-62.8088e-69.5975e-76.1543e-78.1437e-51.3364e-58.5169e-71.2338e-746.9146
GSCL GUHHZ1.8391e-65.4652e-74.9750e-71.7963e-76.8964e-85.2799e-62.9484e-69.0377e-81.3556e-849.682
GSCL GUHHN4.9884e-61.8619e-61.5630e-65.8714e-72.8582e-71.0049e-51.1977e-54.1313e-75.3019e-849.682
GSCL GUHHE2.6038e-69.3074e-78.5835e-72.9059e-71.3165e-78.1004e-67.0998e-61.9844e-72.7361e-849.682
CARD GUHHZ1.2089e-51.5411e-67.0941e-71.8483e-71.2522e-75.2573e-52.8107e-61.9815e-73.3115e-850.9127
CARD GUHHN2.1185e-52.9805e-61.3917e-63.4331e-72.0237e-75.4315e-55.6276e-63.7517e-77.4986e-850.9127
CARD GUHHE2.1140e-52.5733e-61.3396e-63.7859e-72.3452e-74.1172e-54.7861e-63.6571e-76.4472e-850.9127
MAIM GUHHZ3.8635e-64.5898e-74.2690e-72.2437e-71.0266e-76.0236e-62.4211e-61.3552e-71.5082e-859.6136
MAIM GUHHN5.4508e-68.4397e-75.8873e-72.3852e-79.9803e-81.1898e-52.7354e-61.3749e-72.1532e-859.6136
MAIM GUHHE3.6875e-61.0671e-67.6347e-73.7305e-71.3153e-71.2398e-53.9512e-61.5560e-72.8238e-859.6136
POPM GUHHZ6.0681e-68.6790e-74.5754e-71.2516e-76.9289e-81.8179e-51.5772e-61.1688e-72.1468e-868.4114
POPM GUHHN8.0906e-61.4889e-69.4180e-72.3035e-71.2164e-72.4088e-53.8639e-61.8382e-73.5978e-868.4114
POPM GUHHE6.2037e-61.1585e-67.7511e-71.8361e-79.0904e-81.6925e-53.0764e-61.5053e-72.8795e-868.4114
PII IVHHZ2.4410e-65.1581e-73.4472e-71.1582e-75.6222e-88.1931e-61.3414e-67.3035e-81.2017e-877.7146
PII IVHHN3.3951e-65.2275e-73.6125e-71.0811e-74.6581e-89.2796e-61.5020e-67.1811e-81.2163e-877.7146
PII IVHHE3.1365e-65.9377e-74.1906e-71.3870e-75.9796e-81.3756e-51.8104e-68.1155e-81.2617e-877.7146
*IH (Housner Intensity) calculated on the velocity spectrum (SV) between 0.1 and 0.5 s (IH0), 0.1 and 1.0 s (IH1), 0.1 and 1.5 s (IH2)

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